MICROFILM
SERVICE MANUAL
FM/AM CASSETTE CAR STEREO
E Model
Model Name Using Similar Mechanism
XR-C340
Tape Transport Mechanism Type
MG-25F-136
SPECIFICATIONS
XR-C5090
Refer to RM-X4S SERVICE MANUAL (9-925-698-
) issued
previously for information of remote commander (RM-X4S)
supplied with this set
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TABLE OF CONTENTS
1.
GENERAL
Location of Controls ....................................................... 3
Setting the Unit ............................................................... 4
Detaching the Front Panel ............................................... 4
Preparing the Rotary Commander .................................. 4
Setting the Clock ............................................................. 4
Installation ....................................................................... 5
Connection ...................................................................... 7
2.
DISASSEMBLY ......................................................... 9
3.
ASSEMBLY OF MECHANISM DECK ........... 11
4.
MECHANICAL ADJUSTMENTS ....................... 14
5.
ELECTRICAL ADJUSTMENTS
Tape Deck Section .......................................................... 14
Tuner Section .................................................................. 14
6.
DIAGRAMS
6-1. IC Pin Function Description ........................................... 15
6-2. Printed Wiring Boards MAIN Section .................... 19
6-3. Schematic Diagram MAIN Section .......................... 21
6-4. Printed Wiring Board PANEL Section .................... 25
6-5. Schematic Diagram PANEL Section ....................... 27
7.
EXPLODED VIEWS ................................................ 31
8.
ELECTRICAL PARTS LIST ............................... 34
Flexible Circuit Board Repairing
· Keep the temperature of the soldering iron around 270 °C dur-
ing repairing.
· Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
· Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on chip component replacement
· Never reuse a disconnected chip component.
· Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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SECTION 1
GENERAL
This section is extracted from
instruction manual.
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